|
Cast Iron Ball
- Type and Chemical Composition of Cast Iron Balls (M-Martensite;P-Pearite;C-Carbide)
- Physical Property of Cast Iron Balls
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Brand
|
Name-
|
Impact
Test
Ak.J/cm2
|
Endurance
Test times
(5m)
|
Dia25mm-dia60mm
|
Dia70mm-dia100mm
|
|
Quenching
|
Unquenching
|
Quenching
|
Unquenching
|
|
ZW-7
|
Specialhi-CrI
|
>4
|
>10000
|
>60
|
>49
|
>60
|
>48
|
|
ZW-8
|
Specialhi-CrII
|
>4
|
>10000
|
>60
|
>49
|
>60
|
>48
|
|
ZW-9
|
Specialhi-CrIII
|
>4
|
>10000
|
>60
|
>49
|
>58
|
>48
|
|
ZW-10
|
High-Cr
|
>4
|
>10000
|
>58
|
>49
|
>56
|
>48
|
|
ZW-11
|
Medium-Cr
|
>4
|
>8000
|
-
|
>48
|
-
|
>48
|
|
ZW-12
|
Low-Cr
|
>4
|
>8000
|
-
|
>46
|
-
|
>45
|
Weight of Cast Iron Balls
|
(mm)
Nominal diameter
|
(mm)
Diametrical Tolerance
|
(kg)
Approx weight per ball
|
Average number
per MT
|
|
25
|
+1,-0.5
|
0.033
|
30303
|
|
30
|
+1,-0.5
|
0.064
|
15635
|
|
40
|
+2.0,-1.0
|
0.11
|
9090
|
|
50
|
+2.0,-1.0
|
0.261
|
3831
|
|
60
|
+2.0,-1.0
|
0.51
|
1961
|
|
70
|
+2.0,-1.0
|
0.883
|
1132
|
|
80
|
+3.0,-1.5
|
1.402
|
713
|
|
90
|
+3.0,-1.5
|
2.092
|
478
|
|
100
|
+3.0,-1.5
|
2.98
|
335
|
|
110
|
+3.0,-1.5
|
4.087
|
244
|
|
120
|
+3.0,-1.5
|
5.44
|
183
|
|
130
|
+3.0,-1.5
|
7.062
|
141
|
|
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